afl-fuzz 2017-06-19: remaining assertions

[rurban]

see #299 https://github.com/rwhitworth/cperl-fuzz

a lot of freed stack args
id:000056,sig:11,src:023598,op:int16,pos:18,val:+64
Assertion failed: (PL_valid_types_NV_set[SvTYPE(sv) & SVt_MASK]), function Perl_sv_setnv, file sv.c, line 1826.
id:000016,sig:11,src:022979,op:flip2,pos:2
Assertion failed: (PL_valid_types_IVX[SvTYPE(_svuvx) & SVt_MASK]), function Perl_pp_bit_and, file pp.c, line 2653.
id:000019,sig:11,src:022979,op:flip2,pos:25
Assertion failed: (PL_valid_types_IVX[SvTYPE(_svivx) & SVt_MASK]), function Perl_pp_multiply, file pp.c, line 1594.
id:000034,sig:11,src:029043,op:havoc,rep:4
Assertion failed: (PL_valid_types_IVX[SvTYPE(_svuvx) & SVt_MASK]), function Perl_sv_2pv_flags, file sv.c, line 3145.